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Not a complete answer, but may help describe problem: Our R-510B should be the same except for color, and for several years it has intermittently messed up its display. The left side two segments on the units digit won't light up. So a digit 8, without the two vertical bars on the left, comes out as a letter E reversed left to right. Any digit that uses the two left segments (traditionally labelled segments E and F when talking about 7-segment displays) comes out wrong. Every thing else works fine. I can't tell if this is your problem.
This is almost surely a bad contact at the interface between the LCD display panel and the PC board: Typically there is a "squishy" conductive strip that connects them, and I expect grease has gotten in there. If so careful disassembly and cleaning with a mild solvent should fix it. Since we can live with it, and it usually fixes itself in a few weeks, I have not got around to taking it apart.
You can order our exclusive modified control unit (# CU440) with our proprietary upgrades
for $115, then if you return your defective control unit in repairable,
good cosmetic condition, we'll give you a core refund of $30. It comes with a one-year guarantee. For
details, see: http://www.microwavedisplay.com/exchange.htm
- Or we can repair your existing control unit for $39.95 in about a week or so with a one year guarantee.
Feel free to contact me directly (and please remind me of your
full model number from the tag on the unit) for more information & help.
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